Finding the Third Proportional to 508,275 and 745,432.50

Step by Step Solution

1. Step 1: Write the proportion equation
   508,275 : 745,432.50 = 745,432.50 : x
2. Step 2: Convert to fraction form
   508,275/745,432.50 = 745,432.50/x
3. Step 3: Cross multiply
   508,275x = 745,432.50 × 745,432.50
4. Step 4: Simplify right side
   508,275x = 555,669,612,056.25
5. Step 5: Solve for x
   x = 555,669,612,056.25/508,275
6. Step 6: Final answer
   x = 1,093,246.00